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kernel32: Add test for pending ReadFileEx/WriteFileEx calls.

This commit is contained in:
Vincent Povirk 2012-06-14 14:35:27 -05:00 committed by Alexandre Julliard
parent 0a2d6e5183
commit 982153605a
1 changed files with 111 additions and 0 deletions
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111
dlls/kernel32/tests/pipe.c
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@ -1750,6 +1750,116 @@ static void test_NamedPipeHandleState(void)
CloseHandle(server);
}
static void test_readfileex_pending(void)
{
HANDLE server, client, event;
BOOL ret;
DWORD err, wait, num_bytes;
OVERLAPPED overlapped;
char read_buf[1024];
char write_buf[1024];
const char *test_string = "test";
int i;
server = CreateNamedPipe(PIPENAME, FILE_FLAG_OVERLAPPED | PIPE_ACCESS_DUPLEX,
/* dwOpenMode */ PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(server != INVALID_HANDLE_VALUE, "cf failed\n");
event = CreateEventA(NULL, TRUE, FALSE, NULL);
ok(event != NULL, "CreateEventA failed\n");
memset(&overlapped, 0, sizeof(overlapped));
overlapped.hEvent = event;
ret = ConnectNamedPipe(server, &overlapped);
err = GetLastError();
ok(ret == FALSE, "ConnectNamedPipe succeeded\n");
ok(err == ERROR_IO_PENDING, "ConnectNamedPipe set error %i\n", err);
wait = WaitForSingleObject(event, 0);
ok(wait == WAIT_TIMEOUT, "WaitForSingleObject returned %x\n", wait);
client = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, 0, NULL);
ok(client != INVALID_HANDLE_VALUE, "cf failed\n");
wait = WaitForSingleObject(event, 0);
ok(wait == WAIT_OBJECT_0, "WaitForSingleObject returned %x\n", wait);
/* Start a read that can't complete immediately. */
completion_called = 0;
ResetEvent(event);
ret = ReadFileEx(server, read_buf, sizeof(read_buf), &overlapped, completion_routine);
todo_wine ok(ret == TRUE, "ReadFileEx failed, err=%i\n", GetLastError());
ok(completion_called == 0, "completion routine called before ReadFileEx returned\n");
ret = WriteFile(client, test_string, sizeof(test_string), &num_bytes, NULL);
ok(ret == TRUE, "WriteFile failed\n");
ok(num_bytes == sizeof(test_string), "only %i bytes written\n", num_bytes);
ok(completion_called == 0, "completion routine called during WriteFile\n");
wait = WaitForSingleObjectEx(event, 0, TRUE);
ok(wait == WAIT_IO_COMPLETION || wait == WAIT_OBJECT_0, "WaitForSingleObjectEx returned %x\n", wait);
ok(completion_called == 1, "completion not called after writing pipe\n");
ok(completion_errorcode == 0, "completion called with error %x\n", completion_errorcode);
ok(completion_num_bytes == sizeof(test_string), "ReadFileEx returned only %d bytes\n", completion_num_bytes);
ok(completion_lpoverlapped == &overlapped, "completion called with wrong overlapped pointer\n");
ok(!memcmp(test_string, read_buf, sizeof(test_string)), "ReadFileEx read wrong bytes\n");
/* Make writes until the pipe is full and the write fails */
memset(write_buf, 0xaa, sizeof(write_buf));
for (i=0; i<256; i++)
{
completion_called = 0;
ResetEvent(event);
ret = WriteFileEx(server, write_buf, sizeof(write_buf), &overlapped, completion_routine);
err = GetLastError();
ok(completion_called == 0, "completion routine called during WriteFileEx\n");
wait = WaitForSingleObjectEx(event, 0, TRUE);
if (wait == WAIT_TIMEOUT)
/* write couldn't complete immediately, presumably the pipe is full */
break;
ok(wait == WAIT_IO_COMPLETION || wait == WAIT_OBJECT_0, "WaitForSingleObject returned %x\n", wait);
ok(ret == TRUE, "WriteFileEx failed, err=%i\n", err);
ok(completion_errorcode == 0, "completion called with error %x\n", completion_errorcode);
ok(completion_lpoverlapped == &overlapped, "completion called with wrong overlapped pointer\n");
}
todo_wine ok(ret == TRUE, "WriteFileEx failed, err=%i\n", err);
ok(completion_called == 0, "completion routine called but wait timed out\n");
ok(completion_errorcode == 0, "completion called with error %x\n", completion_errorcode);
ok(completion_lpoverlapped == &overlapped, "completion called with wrong overlapped pointer\n");
/* free up some space in the pipe */
ret = ReadFile(client, read_buf, sizeof(read_buf), &num_bytes, NULL);
ok(ret == TRUE, "ReadFile failed\n");
ok(completion_called == 0, "completion routine called during ReadFile\n");
wait = WaitForSingleObjectEx(event, 0, TRUE);
ok(wait == WAIT_IO_COMPLETION || wait == WAIT_OBJECT_0, "WaitForSingleObject returned %x\n", wait);
ok(completion_called == 1, "completion routine not called\n");
ok(completion_errorcode == 0, "completion called with error %x\n", completion_errorcode);
ok(completion_lpoverlapped == &overlapped, "completion called with wrong overlapped pointer\n");
CloseHandle(client);
CloseHandle(server);
CloseHandle(event);
}
START_TEST(pipe)
{
HMODULE hmod;
@ -1769,4 +1879,5 @@ START_TEST(pipe)
test_impersonation();
test_overlapped();
test_NamedPipeHandleState();
test_readfileex_pending();
}